Add Pinterest and Google+ Sharing without JS: http://ajtroxell.com.dev/pinterest-and-google-plus-share-links-without-javascript/

echo-thumbnail-url.php

<?php echo gangmei_get_the_post_thumbnail_url($post->ID, 'large'); ?>

get-thumbnail-url.php

<?php
// Get only the image url link by http://blogcastor.com from http://ajtroxell.com
function gangmei_get_the_post_thumbnail_url( $post_id = NULL ) {
    global $id;
    $post_id = ( NULL === $post_id ) ? $id : $post_id;
    $src = wp_get_attachment_image_src(get_post_thumbnail_id($post_id), 'full');
    $src = $src[0];
    return $src;
}
?>

google-plus-share-link.html

<a href="https://plusone.google.com/_/+1/confirm?hl=en&url=<?php the_permalink();?>">Google +1</a>

pinterest-share-link.html

<a href="http://pinterest.com/pin/create/button/?url=<?php the_permalink();?>&media=<?php echo gangmei_get_the_post_thumbnail_url($post->ID, 'large'); ?>&description=<?php echo get_the_excerpt(); ?>" onclick="window.open(this.href); return false;">Pinterest</a>